TM-9-2350-311-34-2
CAB, ARMAMENT, SIGHTING AND FIRE CONTROL, ELEVATING AND TRAVERSING SYSTEMS AND ASSOCIATED COMPONENTS HOWITZER, MEDIUM, SELF-PROPELLED, 155MM
TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE MANUAL
SEPTEMBER 1994
TM-9-2350-311-34-2 - Page 333 of 552
TM 9-2350-311-34-2
Access covers hold helical compression springs under compression. Restrain access covers to
avoid injury.
4
Loosen eight cap screws (9) gradually until all spring compression is relieved. Remove eight cap screws,
eight Iockwashers (10), and two access covers (11). Discard lockwashers.
5
Remove two helical compression springs (12), two preformed packings (13), shims (14) (if present), two
headed straight pins (15), and two bearing balls (16) from block (17). Discard preformed packings. Retain
shims for use in assembly.
b. Inspection
1
Inspect bail seat in block (17) and access covers (11). If damaged, replace manifold assembly (5).
2
Inspect all other parts. Replace any that are damaged, distorted, scratched on machined surfaces, or have
damaged threads.
3
Check for blockage in bracket assembly (6). Clear blockage.
c. Assembly
1
Install two bearing balls (16), two headed straight pins (15), shims (14) (if present), two new preformed
packings (13), and two helical compression springs (12) in block (17).
Access covers must hold helical compression springs under high compression load. Restrain ac-
cess covers while assembling to avoid injury.
2
Install two access covers (11), eight new Iockwashers (10), and eight cap screws (9). Tighten eight cap
screws gradually until helical compression springs (12) are fully compressed.
6-69
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